How deeply does Google Anthos in Action cover certificate?

Defines certificate ownership and trust, then explains root, delegated, and configurable CA deployment options.

Certificate

A certificate is a digitally signed credential that binds an identity to a public key or other authenticated information.

A certificate is a credential that certifies ownership of a public key by a named subject. A trusted certificate authority issues certificates so others can rely on assertions made with the corresponding private key. section 4.3.3

In an Istio service mesh, certificates support:

Workload identity, by securely provisioning certificates to every workload. section 4.3.3
Trust delegation, through a root certificate, a subordinate delegate CA, or an administrator-specified CA. section 4.3.3
Zero-trust security, alongside peer authentication and authorization against unknown service communication and network attacks. section 4.3.3

Istio CA configurations

By default, Istio generates a self-signed root certificate and key, then uses them to sign certificates for microservices. Enterprise deployments commonly provide an existing root certificate or delegated CA signing certificate and key. section 4.3.3

How Google Anthos in Action covers it

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Related concepts

certification authorityproduced by · A certification authority is a trusted entity that verifies identities and issues digitally signed certificates binding public keys to identities or domains.
public keyhas part · A public key is the openly distributable component of an asymmetric cryptographic key pair, used for encryption, authentication, or signature verification.
self-signed certificateincludes · A self-signed certificate is a digital certificate whose signature is created by the same entity and key identified by the certificate rather than by a certificate authority.
TLSused by · Transport Layer Security (TLS) is a cryptographic protocol that protects network communications through confidentiality, integrity, and authentication of communicating endpoints.
mutual TLSused by · Mutual TLS is a Transport Layer Security configuration in which both communicating endpoints authenticate each other using digital certificates.
public-key infrastructureused by · Public-key infrastructure is a framework of authorities, certificates, keys, policies, and procedures for establishing and managing public-key trust and digital identities.

This explainer was generated by Manning's knowledge graph from the text of Google Anthos in Action. The section links point to the parts of the book it draws on.